TY  - JOUR
A1  - Piontek, D.
A1  - Kraus, L.
A1  - Pabst, A.
A1  - Legleye, S.
T1  - An age-period-cohort analysis of cannabis use prevalence and frequency in Germany, 1990-2009
Y1  - 2012
DO  - 10.1136/jech-2011-200180
JF  - Journal of Epidemiology and Community Health
VL  - 66
IS  - 10
SP  - 908
EP  - -913

ER  -